Changeable-picture device



Nov. 20, 1923.

O. M. WHITSTOCK CHANGEABLE PICTURE DEVICE Filed May 18 1921 IIIIIIIIMHMIIIII 7 mumwmmm 7 Figl.

Fig.5.

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Patented Nov. 20, 1923.

,of these pictures alternate.

UNITED STATES 1,474,572 PATENT oFFlcE.

OTTO H. WHITSTOCK, OF NEW YORK, N. Y.

GHARGEABLE-PIGTURE DEVICE.

' Application filed May 18,

To all whom it may conoem: e

Be it known that I, O'rro M. Wm'rs'rooK, a subject of the King of GreatBritain, residing at New York, in the county of'New York and State ofNew York, have invented a Changeable-Picture Device, of which thefollowing is a specification.

My invention relates to'a device in which a picture is displayed whichcan be changed by sliding one part of 'the device upon the other. Spaceis provided on the device which can be used for advertising matter inaddition to what maybe advertised by the- 7 pictures, relatively toeach' other, new pictures are exposed and the others hidden. A movingpicture eflect is accomplished by choosing two pictures of the sameobject in different positions, and having sections Shifting the cage orthe surface holding the pictures, ex poses the object first in oneposition and then in the other. Due to the lingering impression on theretina of the eye, of the first p1'cture,'when the second is exposed,acon-.

tinuity of motion is experienced.

The construction of my device is simple and very durable, no slits-beingused in one illustrated in the V whichember through which tongues of theother I attain these objects by the mechanism Figure 1 shows thecomposite picture of two objects on a card, Figure 2 shows the cage msuch a position as to expose onepicture, Figure 3 shows the cage in itsother position exposing the other picture, Figure 4 is a section ofigure 2 along the line 4'-4, Figure 5 shows one position of the cage inthe moving picture type showing the object in'one posltion and Figure 6shows the object in 1ts' second position.

Referrin to the drawings The Y can? 1 is provided with an upper fla eportion 2 and alower flange portion 3. fincircling card 1 is the cage 4provided accompanying drawing, in

1921; Serial 110. 470,654.

preferably made of one piece of material bent around card 1 and havingits edges pasted or otherwise fastened together with alap joint as at'6(Fig. 4).

' with bars5 on its front portion. Cage 4 in i Printed or otherwiseimpressed on the surface of card 1 are two picturesin alternatingsections, thos marked 7 being of one picture and those marked 8 of theother. The'bars 5 are equal in width to sections 7 and 8. Cage 4 is madeshorter than the distance between flanges 2 and 3' by an amount equal tothe width of a section 7 or 8.

In operation, cage 4 is grasped in one hand and card 1 in the other andthe two are slid relatively to each other, exposing picture 8. (Fig. 2)in one position and plcture 7 (Fig.3) in the other.

Re erring to Figures 5 and 6, sections 11 represent a picture of a boyon the card 9 in one position and sections 12 re resenthim as havingjumped into the air.

tions 11 and then sections 12, the boy appears to jump up and down.

' Other in principle would be produced.

Instead of using onl one face of y movingcage 10 up and down so as tofirst expose sec-.

so Y

pictures could have been used than 7 those illustrated above and similarefiects 1 for pictures, both si es can be"us ed-.. For example Figures 2and 3'wou1d-be one side and Figures 5 and 6 the other.. In this case, I

bars formed on cage 4 would have sides.

Iclaim:- 1. In a device ofthe character described,

a plurality of pieces. shiftably connected, .one piece having thereonpictorial illustrations of difierent natures in sections, the sectionsof one illustration alternating with v the sections of the otherillustration, saidpiece having a wider top and bottom portion and anarrower central portion, and a second "piece formed with slotsand barswhereby kind. may be exj either-set of sections of a posed through saidslots presenting a comparatively complete illustration, while the otherset of sections of a kind isconcealed by said bars, said secondpiece.forming a complete loop about said first piece in its,

narrower portion and being short enough to permit its sliding, first'toexpose one illustration and then another.

i 2. In a device of the character de-,

scribed, a plurality. of pieces shiftably-con nected, one piece havingthereon pictorial 1 nmewe illustrations of difie rentnatures insections, complete illustration, and the other set of the sections ofone illustration alternating sections of a kind is concealed, saidsecond with. the sections of the other illustration, piece being foldedabout saidfirst piece be- 0 said piece being formed with top'andbottween said flan es and being short enough.

5 tom flanges, and a second piece having to permit its sli ing tofirstgexpose one illusmeains whereby one setof sections of-a kind.tration and then another.

Y may be exposed presenting a comparatively OTTO M. KTSTOCK.

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